config/search_model.json

{
  "target_pos_l1": ["名詞", "動詞", "形容詞"],
  "target_fields": [
    "circleName",
    "circleNameKana",
    "projectName",
    "description",
    "prSummary",
    "detailDescription"
  ],
  "bm25f": {
    "k1": 1.2,
    "b": 0.75,
    "field_weights": {
      "circleName": 2.5,
      "circleNameKana": 0.8,
      "projectName": 1.8,
      "description": 1.0,
      "prSummary": 1.2,
      "detailDescription": 0.9
    }
  },
  "synonyms": {
    "enable": true,
    "sources": {
      "sudachi": true,
      "custom_json": "resources/synonyms_custom.json"
    },
    "limits": {
      "max_synonym_per_term": 3,
      "max_term_len": 6,
      "max_expansions_per_term": 4,
      "max_query_variants": 5,
      "min_char_len": 2
    },
    "banlist": ["の", "こと", "もの", "部", "会", "サークル"]
  },
  "word_sim": {
    "enable": true,
    "alpha": 0.5,
    "topk_k": 3,
    "rerank": "pair_avg"
  },
  "query_subword": {
    "enable": false,
    "path": "resources/embeddings/subword_vectors.bin",
    "oov_weight": 0.5
  },
  "org_boost": {
    "exact": 1.5,
    "prefix": 0.9,
    "substring": 0.6,
    "min_len": 2
  },
  "filter": {
    "min_results": 20,
    "max_results": 100,
    "bm25_min": 0.5,
    "word_sim_min": 0.3,
    "fused_min": 0.4,
    "fused_rel_top_ratio": 0.7
  }
}